GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
* @author Christian Grothoff
*/
#include "platform.h"
-#include "gnunet_client_lib.h"
+#include "gnunet_util_lib.h"
#include "gnunet_constants.h"
-#include "gnunet_container_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_server_lib.h"
#include "gnunet_statistics_service.h"
-#include "gnunet_strings_lib.h"
#include "statistics.h"
/**
*/
struct GNUNET_TIME_Absolute timeout;
+ /**
+ * Task run on timeout.
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+
/**
* Associated value.
*/
*/
struct GNUNET_TIME_Relative backoff;
+ /**
+ * Maximum heap size observed so far (if available).
+ */
+ uint64_t peak_heap_size;
+
+ /**
+ * Maximum resident set side observed so far (if available).
+ */
+ uint64_t peak_rss;
+
/**
* Size of the 'watches' array.
*/
};
+/**
+ * Obtain statistics about this process's memory consumption and
+ * report those as well (if they changed).
+ */
+static void
+update_memory_statistics (struct GNUNET_STATISTICS_Handle *h)
+{
+#if ENABLE_HEAP_STATISTICS
+ uint64_t current_heap_size = 0;
+ uint64_t current_rss = 0;
+
+ if (GNUNET_NO != h->do_destroy)
+ return;
+#if HAVE_MALLINFO
+ {
+ struct mallinfo mi;
+
+ mi = mallinfo();
+ current_heap_size = mi.uordblks + mi.fordblks;
+ }
+#endif
+#if HAVE_GETRUSAGE
+ {
+ struct rusage ru;
+
+ if (0 == getrusage (RUSAGE_SELF, &ru))
+ {
+ current_rss = 1024LL * ru.ru_maxrss;
+ }
+ }
+#endif
+ if (current_heap_size > h->peak_heap_size)
+ {
+ h->peak_heap_size = current_heap_size;
+ GNUNET_STATISTICS_set (h, "# peak heap size", current_heap_size, GNUNET_NO);
+ }
+ if (current_rss > h->peak_rss)
+ {
+ h->peak_rss = current_rss;
+ GNUNET_STATISTICS_set (h, "# peak resident set size", current_rss, GNUNET_NO);
+ }
+#endif
+}
+
+
/**
* Schedule the next action to be performed.
*
schedule_watch_request (struct GNUNET_STATISTICS_Handle *h,
struct GNUNET_STATISTICS_WatchEntry *watch)
{
-
struct GNUNET_STATISTICS_GetHandle *ai;
size_t slen;
size_t nlen;
size_t nsize;
- GNUNET_assert (NULL != h);
- GNUNET_assert (NULL != watch);
-
slen = strlen (watch->subsystem) + 1;
nlen = strlen (watch->name) + 1;
nsize = sizeof (struct GNUNET_MessageHeader) + slen + nlen;
GNUNET_break (0);
return;
}
- ai = GNUNET_malloc (sizeof (struct GNUNET_STATISTICS_GetHandle));
+ ai = GNUNET_new (struct GNUNET_STATISTICS_GetHandle);
ai->sh = h;
ai->subsystem = GNUNET_strdup (watch->subsystem);
ai->name = GNUNET_strdup (watch->name);
static void
free_action_item (struct GNUNET_STATISTICS_GetHandle *gh)
{
+ if (GNUNET_SCHEDULER_NO_TASK != gh->timeout_task)
+ {
+ GNUNET_SCHEDULER_cancel (gh->timeout_task);
+ gh->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ }
GNUNET_free_non_null (gh->subsystem);
GNUNET_free_non_null (gh->name);
GNUNET_free (gh);
do_disconnect (struct GNUNET_STATISTICS_Handle *h)
{
struct GNUNET_STATISTICS_GetHandle *c;
-
+
if (NULL != h->th)
{
GNUNET_CLIENT_notify_transmit_ready_cancel (h->th);
h->th = NULL;
- }
- if (NULL != h->client)
- {
- GNUNET_CLIENT_disconnect (h->client);
- h->client = NULL;
}
h->receiving = GNUNET_NO;
if (NULL != (c = h->current))
{
h->current = NULL;
- if (NULL != c->cont)
+ if ( (NULL != c->cont) &&
+ (GNUNET_YES != c->aborted) )
+ {
c->cont (c->cls, GNUNET_SYSERR);
+ c->cont = NULL;
+ }
free_action_item (c);
}
+ if (NULL != h->client)
+ {
+ GNUNET_CLIENT_disconnect (h->client);
+ h->client = NULL;
+ }
}
* Try to (re)connect to the statistics service.
*
* @param h statistics handle to reconnect
- * @return GNUNET_YES on success, GNUNET_NO on failure.
+ * @return #GNUNET_YES on success, #GNUNET_NO on failure.
*/
static int
try_connect (struct GNUNET_STATISTICS_Handle *h)
return GNUNET_NO;
if (NULL != h->client)
return GNUNET_YES;
- h->client = GNUNET_CLIENT_connect ("statistics", h->cfg);
+ h->client = GNUNET_CLIENT_connect ("statistics", h->cfg);
if (NULL != h->client)
{
- gn = h->action_head;
+ gn = h->action_head;
while (NULL != (gh = gn))
{
gn = gh->next;
GNUNET_CONTAINER_DLL_remove (h->action_head,
h->action_tail,
gh);
- free_action_item (gh);
+ free_action_item (gh);
}
}
for (i = 0; i < h->watches_size; i++)
/**
* We've waited long enough, reconnect now.
*
- * @param cls the 'struct GNUNET_STATISTICS_Handle' to reconnect
+ * @param cls the `struct GNUNET_STATISTICS_Handle` to reconnect
* @param tc scheduler context (unused)
*/
static void
-reconnect_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+reconnect_task (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_STATISTICS_Handle *h = cls;
*/
static void
do_destroy (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GNUNET_STATISTICS_Handle *h = cls;
}
h->backoff_task =
GNUNET_SCHEDULER_add_delayed (h->backoff, &reconnect_task, h);
- h->backoff = GNUNET_TIME_relative_multiply (h->backoff, 2);
- h->backoff =
- GNUNET_TIME_relative_min (h->backoff, GNUNET_CONSTANTS_SERVICE_TIMEOUT);
+ h->backoff = GNUNET_TIME_STD_BACKOFF (h->backoff);
}
/**
- * Process a 'GNUNET_MESSAGE_TYPE_STATISTICS_VALUE' message.
+ * Process a #GNUNET_MESSAGE_TYPE_STATISTICS_VALUE message.
*
* @param h statistics handle
* @param msg message received from the service, never NULL
- * @return GNUNET_OK if the message was well-formed
+ * @return #GNUNET_OK if the message was well-formed
*/
static int
process_statistics_value_message (struct GNUNET_STATISTICS_Handle *h,
if (h->current->aborted)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Iteration was aborted, ignoring VALUE\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Iteration was aborted, ignoring VALUE\n");
return GNUNET_OK; /* don't bother */
}
size = ntohs (msg->size);
GNUNET_break (0);
return GNUNET_SYSERR;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Received valid statistic on `%s:%s': %llu\n",
- service, name, GNUNET_ntohll (smsg->value));
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received valid statistic on `%s:%s': %llu\n",
+ service, name,
+ GNUNET_ntohll (smsg->value));
if (GNUNET_OK !=
h->current->proc (h->current->cls, service, name,
GNUNET_ntohll (smsg->value),
"Processing of remaining statistics aborted by client.\n");
h->current->aborted = GNUNET_YES;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "VALUE processed successfully\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "VALUE processed successfully\n");
return GNUNET_OK;
}
*
* @param h statistics handle
* @param msg the watch value message
- * @return GNUNET_OK if the message was well-formed, GNUNET_SYSERR if not,
- * GNUNET_NO if this watch has been cancelled
+ * @return #GNUNET_OK if the message was well-formed, #GNUNET_SYSERR if not,
+ * #GNUNET_NO if this watch has been cancelled
*/
static int
process_watch_value (struct GNUNET_STATISTICS_Handle *h,
return GNUNET_SYSERR;
}
w = h->watches[wid];
- if (NULL == w)
- return GNUNET_NO;
+ if (NULL == w)
+ return GNUNET_NO;
(void) w->proc (w->proc_cls, w->subsystem, w->name,
GNUNET_ntohll (wvm->value),
0 != (ntohl (wvm->flags) & GNUNET_STATISTICS_PERSIST_BIT));
}
+/**
+ * Task used to destroy the statistics handle.
+ *
+ * @param cls the `struct GNUNET_STATISTICS_Handle`
+ * @param tc the scheduler context
+ */
static void
destroy_task (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
* @param msg message received, NULL on timeout or fatal error
*/
static void
-receive_stats (void *cls, const struct GNUNET_MessageHeader *msg)
+receive_stats (void *cls,
+ const struct GNUNET_MessageHeader *msg)
{
struct GNUNET_STATISTICS_Handle *h = cls;
struct GNUNET_STATISTICS_GetHandle *c;
GNUNET_SCHEDULER_REASON_PREREQ_DONE);
break;
case GNUNET_MESSAGE_TYPE_STATISTICS_END:
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Received end of statistics marker\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Received end of statistics marker\n");
if (NULL == (c = h->current))
{
GNUNET_break (0);
else
{
h->receiving = GNUNET_NO;
- }
+ }
h->current = NULL;
schedule_action (h);
if (NULL != c->cont)
+ {
c->cont (c->cls, GNUNET_OK);
+ c->cont = NULL;
+ }
free_action_item (c);
return;
case GNUNET_MESSAGE_TYPE_STATISTICS_VALUE:
{
do_disconnect (h);
reconnect_later (h);
- return;
+ return;
}
/* finally, look for more! */
LOG (GNUNET_ERROR_TYPE_DEBUG,
h->backoff = GNUNET_TIME_UNIT_MILLISECONDS;
return;
case GNUNET_MESSAGE_TYPE_STATISTICS_WATCH_VALUE:
- if (GNUNET_OK !=
+ if (GNUNET_OK !=
(ret = process_watch_value (h, msg)))
{
do_disconnect (h);
if (GNUNET_NO == ret)
- h->backoff = GNUNET_TIME_UNIT_MILLISECONDS;
+ h->backoff = GNUNET_TIME_UNIT_MILLISECONDS;
reconnect_later (h);
return;
}
GNUNET_assert (h->watches_size > 0);
GNUNET_CLIENT_receive (h->client, &receive_stats, h,
GNUNET_TIME_UNIT_FOREVER_REL);
- return;
+ return;
default:
GNUNET_break (0);
do_disconnect (h);
* the response).
*
* @param handle statistics handle
- * @param size how many bytes can we write to buf
+ * @param size how many bytes can we write to @a buf
* @param buf where to write requests to the service
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
-transmit_get (struct GNUNET_STATISTICS_Handle *handle, size_t size, void *buf)
+transmit_get (struct GNUNET_STATISTICS_Handle *handle,
+ size_t size,
+ void *buf)
{
struct GNUNET_STATISTICS_GetHandle *c;
struct GNUNET_MessageHeader *hdr;
* the response).
*
* @param handle statistics handle
- * @param size how many bytes can we write to buf
+ * @param size how many bytes can we write to @a buf
* @param buf where to write requests to the service
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
-transmit_watch (struct GNUNET_STATISTICS_Handle *handle, size_t size, void *buf)
+transmit_watch (struct GNUNET_STATISTICS_Handle *handle,
+ size_t size,
+ void *buf)
{
struct GNUNET_MessageHeader *hdr;
size_t slen1;
reconnect_later (handle);
return 0;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Transmitting watch request for `%s'\n",
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting watch request for `%s'\n",
handle->current->name);
slen1 = strlen (handle->current->subsystem) + 1;
slen2 = strlen (handle->current->name) + 1;
* Transmit a SET/UPDATE request.
*
* @param handle statistics handle
- * @param size how many bytes can we write to buf
+ * @param size how many bytes can we write to @a buf
* @param buf where to write requests to the service
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
-transmit_set (struct GNUNET_STATISTICS_Handle *handle, size_t size, void *buf)
+transmit_set (struct GNUNET_STATISTICS_Handle *handle,
+ size_t size,
+ void *buf)
{
struct GNUNET_STATISTICS_SetMessage *r;
size_t slen;
GNUNET_assert (NULL == handle->current->cont);
free_action_item (handle->current);
handle->current = NULL;
+ update_memory_statistics (handle);
return nsize;
}
/**
* Function called when we are ready to transmit a request to the service.
*
- * @param cls the 'struct GNUNET_STATISTICS_Handle'
- * @param size how many bytes can we write to buf
+ * @param cls the `struct GNUNET_STATISTICS_Handle`
+ * @param size how many bytes can we write to @a buf
* @param buf where to write requests to the service
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
transmit_action (void *cls, size_t size, void *buf)
{
struct GNUNET_STATISTICS_Handle *ret;
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_yesno (cfg, "statistics", "DISABLE"))
+ return NULL;
GNUNET_assert (NULL != subsystem);
GNUNET_assert (NULL != cfg);
- ret = GNUNET_malloc (sizeof (struct GNUNET_STATISTICS_Handle));
+ ret = GNUNET_new (struct GNUNET_STATISTICS_Handle);
ret->cfg = cfg;
ret->subsystem = GNUNET_strdup (subsystem);
ret->backoff = GNUNET_TIME_UNIT_MILLISECONDS;
* it).
*
* @param h statistics handle to destroy
- * @param sync_first set to GNUNET_YES if pending SET requests should
+ * @param sync_first set to #GNUNET_YES if pending SET requests should
* be completed
*/
void
-GNUNET_STATISTICS_destroy (struct GNUNET_STATISTICS_Handle *h, int sync_first)
+GNUNET_STATISTICS_destroy (struct GNUNET_STATISTICS_Handle *h,
+ int sync_first)
{
struct GNUNET_STATISTICS_GetHandle *pos;
struct GNUNET_STATISTICS_GetHandle *next;
{
if (ACTION_GET == h->current->type)
{
- GNUNET_CLIENT_notify_transmit_ready_cancel (h->th);
- h->th = NULL;
+ if (NULL != h->th)
+ {
+ GNUNET_CLIENT_notify_transmit_ready_cancel (h->th);
+ h->th = NULL;
+ }
free_action_item (h->current);
h->current = NULL;
}
}
- next = h->action_head;
+ next = h->action_head;
while (NULL != (pos = next))
{
next = pos->next;
for (i = 0; i < h->watches_size; i++)
{
if (NULL == h->watches[i])
- continue;
+ continue;
GNUNET_free (h->watches[i]->subsystem);
GNUNET_free (h->watches[i]->name);
GNUNET_free (h->watches[i]);
* confirm that the service has received all of our 'SET'
* messages (during statistics disconnect/shutdown).
*
- * @param cls the 'struct GNUNET_STATISTICS_Handle'
- * @param size how many bytes can we write to buf
+ * @param cls the `struct GNUNET_STATISTICS_Handle`
+ * @param size how many bytes can we write to @a buf
* @param buf where to write requests to the service
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
transmit_test_on_shutdown (void *cls,
}
+/**
+ * We have run into a timeout on a #GNUNET_STATISTICS_get() operation,
+ * call the continuation.
+ *
+ * @param cls the `struct GNUNET_STATISTICS_GetHandle`
+ * @param tc scheduler context
+ */
+static void
+run_get_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_STATISTICS_GetHandle *gh = cls;
+ GNUNET_STATISTICS_Callback cont = gh->cont;
+ void *cont_cls = gh->cls;
+
+ gh->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_STATISTICS_get_cancel (gh);
+ cont (cont_cls, GNUNET_SYSERR);
+}
+
+
/**
* Get statistic from the peer.
*
* @param timeout after how long should we give up (and call
* cont with an error code)?
* @param cont continuation to call when done (can be NULL)
+ * This callback CANNOT destroy the statistics handle in the same call.
* @param proc function to call on each value
- * @param cls closure for cont and proc
+ * @param cls closure for @a cont and @a proc
* @return NULL on error
*/
struct GNUNET_STATISTICS_GetHandle *
slen2 = strlen (name) + 1;
GNUNET_assert (slen1 + slen2 + sizeof (struct GNUNET_MessageHeader) <
GNUNET_SERVER_MAX_MESSAGE_SIZE);
- ai = GNUNET_malloc (sizeof (struct GNUNET_STATISTICS_GetHandle));
+ ai = GNUNET_new (struct GNUNET_STATISTICS_GetHandle);
ai->sh = handle;
ai->subsystem = GNUNET_strdup (subsystem);
ai->name = GNUNET_strdup (name);
ai->timeout = GNUNET_TIME_relative_to_absolute (timeout);
ai->type = ACTION_GET;
ai->msize = slen1 + slen2 + sizeof (struct GNUNET_MessageHeader);
+ ai->timeout_task = GNUNET_SCHEDULER_add_delayed (timeout,
+ &run_get_timeout,
+ ai);
GNUNET_CONTAINER_DLL_insert_tail (handle->action_head, handle->action_tail,
ai);
schedule_action (handle);
{
if (NULL == gh)
return;
+ if (GNUNET_SCHEDULER_NO_TASK != gh->timeout_task)
+ {
+ GNUNET_SCHEDULER_cancel (gh->timeout_task);
+ gh->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ }
+ gh->cont = NULL;
if (gh->sh->current == gh)
{
gh->aborted = GNUNET_YES;
* @param subsystem limit to the specified subsystem, never NULL
* @param name name of the statistic value, never NULL
* @param proc function to call on each value
- * @param proc_cls closure for proc
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @param proc_cls closure for @a proc
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_STATISTICS_watch (struct GNUNET_STATISTICS_Handle *handle,
if (NULL == handle)
return GNUNET_SYSERR;
- w = GNUNET_malloc (sizeof (struct GNUNET_STATISTICS_WatchEntry));
+ w = GNUNET_new (struct GNUNET_STATISTICS_WatchEntry);
w->subsystem = GNUNET_strdup (subsystem);
w->name = GNUNET_strdup (name);
w->proc = proc;
/**
- * Stop watching statistics from the peer.
+ * Stop watching statistics from the peer.
*
* @param handle identification of the statistics service
* @param subsystem limit to the specified subsystem, never NULL
* @param name name of the statistic value, never NULL
* @param proc function to call on each value
- * @param proc_cls closure for proc
- * @return GNUNET_OK on success, GNUNET_SYSERR on error (no such watch)
+ * @param proc_cls closure for @a proc
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error (no such watch)
*/
int
GNUNET_STATISTICS_watch_cancel (struct GNUNET_STATISTICS_Handle *handle,
- const char *subsystem, const char *name,
- GNUNET_STATISTICS_Iterator proc, void *proc_cls)
+ const char *subsystem,
+ const char *name,
+ GNUNET_STATISTICS_Iterator proc,
+ void *proc_cls)
{
struct GNUNET_STATISTICS_WatchEntry *w;
unsigned int i;
GNUNET_free (w->name);
GNUNET_free (w->subsystem);
GNUNET_free (w);
- handle->watches[i] = NULL;
+ handle->watches[i] = NULL;
return GNUNET_OK;
- }
+ }
}
return GNUNET_SYSERR;
}
* @param name name of the value
* @param make_persistent should the value be kept across restarts?
* @param value new value or change
- * @param type type of the action (ACTION_SET or ACTION_UPDATE)
+ * @param type type of the action (#ACTION_SET or #ACTION_UPDATE)
*/
static void
-add_setter_action (struct GNUNET_STATISTICS_Handle *h, const char *name,
- int make_persistent, uint64_t value, enum ActionType type)
+add_setter_action (struct GNUNET_STATISTICS_Handle *h,
+ const char *name,
+ int make_persistent,
+ uint64_t value,
+ enum ActionType type)
{
struct GNUNET_STATISTICS_GetHandle *ai;
size_t slen;
size_t nsize;
int64_t delta;
- GNUNET_assert (NULL != h);
- GNUNET_assert (NULL != name);
slen = strlen (h->subsystem) + 1;
nlen = strlen (name) + 1;
nsize = sizeof (struct GNUNET_STATISTICS_SetMessage) + slen + nlen;
for (ai = h->action_head; NULL != ai; ai = ai->next)
{
if (! ( (0 == strcmp (ai->subsystem, h->subsystem)) &&
- (0 == strcmp (ai->name, name)) &&
+ (0 == strcmp (ai->name, name)) &&
( (ACTION_UPDATE == ai->type) ||
(ACTION_SET == ai->type) ) ) )
continue;
}
ai->timeout = GNUNET_TIME_relative_to_absolute (SET_TRANSMIT_TIMEOUT);
ai->make_persistent = make_persistent;
- return;
+ return;
}
/* no existing entry matches, create a fresh one */
- ai = GNUNET_malloc (sizeof (struct GNUNET_STATISTICS_GetHandle));
+ ai = GNUNET_new (struct GNUNET_STATISTICS_GetHandle);
ai->sh = h;
ai->subsystem = GNUNET_strdup (h->subsystem);
ai->name = GNUNET_strdup (name);
*/
void
GNUNET_STATISTICS_set (struct GNUNET_STATISTICS_Handle *handle,
- const char *name, uint64_t value, int make_persistent)
+ const char *name,
+ uint64_t value,
+ int make_persistent)
{
if (NULL == handle)
return;
*/
void
GNUNET_STATISTICS_update (struct GNUNET_STATISTICS_Handle *handle,
- const char *name, int64_t delta, int make_persistent)
+ const char *name,
+ int64_t delta,
+ int make_persistent)
{
if (NULL == handle)
return;
if (0 == delta)
return;
GNUNET_assert (GNUNET_NO == handle->do_destroy);
- add_setter_action (handle, name, make_persistent, (uint64_t) delta,
+ add_setter_action (handle,
+ name,
+ make_persistent,
+ (uint64_t) delta,
ACTION_UPDATE);
}
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